sync up

Verb

1. To synchronize.
   • Many people believe in menstrual synchrony, the idea that women's menstrual periods sometimes sync up when they work closely together, but the scientific methodology for confirming its existence remains weaker than many...
   • They asked us to sync up our proposed conference dates and submit our answer by next Tuesday.
   • This Tuesday and Wednesday, four holidays from different cultures and religions overlap in a rare calendar year. The celebrations of Fat Tuesday (Mardi Gras) and Lunar New Year both occur on Tuesday, Feb. 17 [2026]....

   1. (television, transitive) To synchronize (footage) so that the audio and video components play together in correct alignment.

      • You could tell that the video and the audio hadn't been synced up properly, so watching the movie was kind of annoying.